<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <title>sign up page</title>
</head>
<body>
<h1>sign up page</h1>
<form action="/user/signUp" method="post">
    <input type="text" name="username" placeholder="USERNAME" value="user-">
    <br>
    <input type="password" name="password" placeholder="PASSWORD" value="123">
    <br>
    <input type="submit" value="sign up">
</form>
</body>
</html>